//package com.xu.wemall.config;
//
//import org.springframework.boot.web.servlet.FilterRegistrationBean;
//import org.springframework.context.annotation.Bean;
//import org.springframework.context.annotation.ComponentScan;
//import org.springframework.context.annotation.Configuration;
//import org.springframework.core.Ordered;
//import org.springframework.web.cors.CorsConfiguration;
//import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
//import org.springframework.web.filter.CorsFilter;
//
//@Configuration
//public class CorsConfig {
//
//    private CorsConfiguration buildConfig() {
//        CorsConfiguration corsConfiguration = new CorsConfiguration();
//        corsConfiguration.addAllowedOrigin("*"); // 1允许任何域名使用
//        corsConfiguration.addAllowedHeader("*"); // 2允许任何头
//        corsConfiguration.addAllowedMethod("*"); // 3允许任何方法（post、get等）
//        corsConfiguration.setAllowCredentials(true);
//        return corsConfiguration;
//    }
//
//    @Bean
//    public FilterRegistrationBean corsFilter() {
//        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
//        source.registerCorsConfiguration("/**", buildConfig()); // 4
//        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
//        bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
//        return bean;
//    }
//}